package day06;

import java.util.Arrays;

public class ArrayDemo {
    public static void main(String[] args) {
        //6)复制数组：
        int[] a={2,3,4,5,6};
        int[] b= Arrays.copyOf(a,a.length+5);
        for(int i=0;i<b.length;i++) {
            System.out.println(b[i]);
        }











        /*
        int[] a={10,20,30,40,50};
        int[] b=new int[6];//0,0,0,0,0,0
        //a:源数组
        //1:源目标数组的起始下标
        //b:目标数组
        //0:目标数组的起始下标
        //4:要复制的元素个数
        System.arraycopy(a,1,b,0,4);
        for(int i=0;i<b.length;i++){
            System.out.println(b[i]);
               }
         */




    }
}
